4000997

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 5477472

約数和(自身を除く): 1476475

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 571, 637, 1001, 3997, 6281, 7007, 7423, 27979, 43967, 51961, 81653, 307769, 363727, 571571, 4000997]

約数ペア:

[(1, 4000997), (7, 571571), (11, 363727), (13, 307769), (49, 81653), (77, 51961), (91, 43967), (143, 27979), (539, 7423), (571, 7007), (637, 6281), (1001, 3997)]